<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>用户登录</title>
</head>
<body>
<h1>用户登录</h1>
<form action="/cs/loginCheck"
      method="post">
    用户名：<input type="text" name="username"/><br/><br/>
    密　码：<input type="password" name="password"><br><br/>
    <input type="submit" value="登录"></form>
</body>
</html>